Weather in Washington D.C. in May
How warm is it in Washington D.C. in May?
In May the typical daytime high in Washington D.C. is 23.7 °C on average, from 21.4 °C at the start to 26.3 °C at the end of the month.
That is 4.6 °C warmer than in April and 4.9 °C cooler than in June.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
Measured at the weather station Washington, 2 km away.